The Diablo DMADST0450 4-1/2" Diamond Segmented Turbo Cut-Off Discs are high-quality cutting tools designed for masonry work. Made with diamond abrasive material, these cut-off discs offer efficient and precise cutting performance. With a wheel diameter of 4-1/2 inches, they are suitable for a variety of cutting tasks. Manufactured in the United States by the trusted brand Diablo, these discs are essential for professionals in the construction and metalworking industries.